It’s negotiated.
You might get the work done without it, but it will take longer and will be a struggle.
The alternative is to do the work. Take the time to accommodate the process others require to commit. It might take them longer. You might walk around the tree a couple of times.
In the end, you will win over advocates that are not only committed but become advocates themselves. Critical mass and soon after, perpetual motion.
Suddenly, what felt like a waste of time turns into a springboard.